These are the metal ones I was talking about, they are overkill for most things in my opinion and made a mess of my walls.
http://www.rawlplug.co.uk/index.php?...d=64&Itemid=34
The red ones here do the job very nicely, I have some fairly substantial stuff on my walls held with these, including a 2m x 2m print mounted on wood which weighs ALOT
http://www.rawlplug.co.uk/index.php?...=103&Itemid=34
